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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2023-3079

Google Chromium V8 Type Confusion Vulnerability

KEVHIGH 8.8EPSS 32.1%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 28 June 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Type confusion in V8 in Google Chrome prior to 114.0.5735.110 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
32.11% probability · 98th percentile
CISA KEV
Listed 7 June 2023 · due 28 June 2023
Weakness
CWE-843
Affected
google/chrome · fedoraproject/fedora · debian/debian linux · apple/macos · linux/linux kernel · couchbase/couchbase server
Source
chrome-cve-admin@google.com

CISA notes

Apply updates per vendor instructions. https://chromereleases.googleblog.com/2023/06/stable-channel-update-for-desktop.html; https://nvd.nist.gov/vuln/detail/CVE-2023-3079

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.